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Vallejo

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Vallejo Weather and climate

Data source:Meteostat
Update date:2025-09

Vallejo year round climate
  • Spring (March–May): Average 51–59°F, mild climate, gradually decreasing rainfall, increasing sunny days. Common activities: Outdoor excursions, flower viewing, museum visits. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 62–66°F, warm and dry climate, abundant sunshine, very little rainfall. Common activities: Beach activities, picnics, outdoor sports. Recommended clothing: Short-sleeved shirts, shorts, sun hat, sunscreen.
  • Autumn (September–November): Average 51–62°F, comfortable and pleasant climate, larger temperature difference between morning and evening, gradually increasing rainfall. Common activities: Viewing red leaves, cycling, tasting local cuisine. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 48–50°F, cold and humid climate, relatively high rainfall. Common activities: Indoor activities, museum visits, shopping. Recommended clothing: Warm jacket, sweater, scarf, gloves.
Vallejo climatological average

Annual average temperature: approx. 57.2°F / Annual rainfall: approx. 565 mm / Summer humidity: 60%–70% / Rainiest month: December

Vallejo monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
49.6°F
116.6
February
49.1°F
72.9
March
51.8°F
99.7
April
55.4°F
26.4
May
59.7°F
17.2
June
64.2°F
0.7
July
65.8°F
0.1
August
67.1°F
0
September
65.8°F
6.4
October
61.9°F
3
November
52.2°F
64.6
December
49.5°F
157.9
Vallejo weather for the next seven days
10/31
Friday
Mist
72.1°F/47.3°F
11/1
Saturday
Sunny
76.9°F/59°F
11/2
Sunday
Sunny
77.7°F/56.7°F
11/3
Monday
Sunny
82°F/61.5°F
11/4
Tuesday
Sunny
80.7°F/61.8°F
11/5
Wednesday
Sunny
81.5°F/63.1°F
11/6
Thursday
Sunny
78.4°F/61.9°F